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Tempering that results in a reduction of toughness is known as __________

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Tempering that results in a reduction of toughness is known as __________

(a) Caustic embrittlement

(b) Temper embrittlement

(c) End-temper

(d) Quench-temper embrittlement

The question was posed to me during an online exam.

This is a very interesting question from Tempering in division Heat Treatment of Engineering Material & Metallurgy

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Correct option is (b) Temper embrittlement

The explanation: Tempering of some steels and alloys may result in the reduction of toughness. This phenomenon is known as temper embrittlement.

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